38839705 has 16 divisors (see below), whose sum is σ = 49233600. Its totient is φ = 29332800.

The previous prime is 38839693. The next prime is 38839727. The reversal of 38839705 is 50793883.

It is a happy number.

It is not a de Polignac number, because 38839705 - 2⁹ = 38839193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36430 + ... + 37480.

It is an arithmetic number, because the mean of its divisors is an integer number (3077100).

Almost surely, 2^38839705 is an apocalyptic number.

It is an amenable number.

38839705 is a deficient number, since it is larger than the sum of its proper divisors (10393895).

38839705 is a wasteful number, since it uses less digits than its factorization.

38839705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 38839705 is about 6232.1509128069. The cubic root of 38839705 is about 338.6558958477.

The spelling of 38839705 in words is "thirty-eight million, eight hundred thirty-nine thousand, seven hundred five".